The state mirroring feature allows the standby unit to maintain all of the current connection and persistence information. If the active unit fails and the standby unit takes over, all connections continue, virtually uninterrupted.

Windows SharePoint Services automatically supports dynamic load balancing between front-end Web servers. There is no need to enable persistence on the BIG-IP controllers.

F5 BIG-IP Device Administration and Configuration

The Internet Platform and Operations group used https://200.100.1.19/ and https://200.100.1.20/ and logged in with the appropriate account and password to manage the BIG-IP controllers and load balancing configuration. To help provide a high level of security, they blocked traffic coming from the Internet and allowed only servers on the corporate network using the corporate proxy servers to access those two URLs.